{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chromosome+Abnormality&page=4",
    "query": {
      "condition": "Chromosome Abnormality",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 530,
    "total_pages": 53,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chromosome+Abnormality&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chromosome+Abnormality&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T10:23:22.146Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT04631237",
      "title": "Developing a Down Syndrome Health Instrument",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Down Syndrome",
        "Health, Subjective"
      ],
      "interventions": [
        {
          "name": "Observational, no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 758,
      "start_date": "2020-04-03",
      "completion_date": "2025-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-10-07T10:23:22.146Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04631237"
    },
    {
      "nct_id": "NCT05849441",
      "title": "Mindfulness Program for Adolescents With 22q11DS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "22Q11 Deletion Syndrome"
      ],
      "interventions": [
        {
          "name": "Aware Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Innovation Research & Training",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "12 Years to 19 Years"
      },
      "enrollment_count": 110,
      "start_date": "2023-12-18",
      "completion_date": "2024-08-17",
      "has_results": true,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-10-07T10:23:22.146Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05849441"
    },
    {
      "nct_id": "NCT07417137",
      "title": "A Natural History Study of Angelman Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Angelman Syndrome",
        "Neurodevelopmental Conditions"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 40,
      "start_date": "2026-08",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-07T10:23:22.146Z",
      "location_count": 1,
      "location_summary": "Lexington, Massachusetts",
      "locations": [
        {
          "city": "Lexington",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07417137"
    },
    {
      "nct_id": "NCT06373861",
      "title": "Generating Advancements Through Longitudinal Analysis in X and Y Variations (GALAXY)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sex Chromosome Aneuploidy"
      ],
      "interventions": [
        {
          "name": "no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Days",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "0 Days to 100 Years"
      },
      "enrollment_count": 5000,
      "start_date": "2022-04-28",
      "completion_date": "2037-04",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-07T10:23:22.146Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06373861"
    },
    {
      "nct_id": "NCT01931644",
      "title": "At-Home Research Study for Patients With Autoimmune, Inflammatory, Genetic, Hematological, Infectious, Neurological, CNS, Oncological, Respiratory, Metabolic Conditions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "All Diagnosed Health Conditions",
        "ADD/ADHD",
        "Alopecia Areata",
        "Ankylosing Spondylitis",
        "Asthma",
        "Atopic Dermatitis Eczema",
        "Beta Thalassemia",
        "Bipolar Disorder",
        "Breast Cancer",
        "Celiac Disease",
        "Cervical Cancer",
        "Chronic Inflammatory Demyelinating Polyneuropathy",
        "Chronic Kidney Diseases",
        "Chronic Obstructive Pulmonary Disease",
        "Colon Cancer",
        "Colorectal Cancer",
        "Crohn's Disease",
        "Cystic Fibrosis",
        "Depression",
        "Diabetes Mellitus",
        "Duchenne Muscular Dystrophy",
        "Endometriosis",
        "Epilepsy",
        "Facioscapulohumeral Muscular Dystrophy",
        "G6PD Deficiency",
        "General Anxiety Disorder",
        "Hepatitis B",
        "Hereditary Hemorrhagic Telangiectasia",
        "HIV/AIDS",
        "Human Papilloma Virus",
        "Huntington's Disease",
        "Idiopathic Thrombocytopenic Purpura",
        "Insomnia",
        "Kidney Cancer",
        "Leukemia",
        "Lung Cancer",
        "Lupus Nephritis",
        "Lymphoma",
        "Melanoma",
        "Multiple Myeloma",
        "Multiple Sclerosis",
        "Myositis",
        "Myotonic Dystrophy",
        "Ovarian Cancer",
        "Pancreatic Cancer",
        "Parkinson's Disease",
        "Polycystic Kidney Diseases",
        "Prostate Cancer",
        "Psoriasis",
        "Psoriatic Arthritis",
        "Rosacea",
        "Scleroderma",
        "Sickle Cell Anemia",
        "Sickle Cell Trait",
        "Sjogren's Syndrome",
        "Skin Cancer",
        "Spinal Muscular Atrophy",
        "Systemic Lupus Erythematosus",
        "Thrombotic Thrombocytopenic Purpura",
        "Trisomy 21",
        "Ulcerative Colitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sanguine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 17667,
      "start_date": "2013-07",
      "completion_date": "2024-04",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-07T10:23:22.146Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01931644"
    },
    {
      "nct_id": "NCT00596245",
      "title": "Open-Label, Placebo-Controlled, Parallel Group Study in Healthy Volunteers to Evaluate the Effects of Two Single MT 400 or Naproxen Sodium Tablets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "MT400",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 42,
      "start_date": "2007-10",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2015-04-16",
      "last_synced_at": "2026-10-07T10:23:22.146Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00596245"
    },
    {
      "nct_id": "NCT06901245",
      "title": "Tirzepatide in PWS, HO and GNSO",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Prader-Willi Syndrome",
        "Hypothalamic Obesity",
        "Obesity/Therapy"
      ],
      "interventions": [
        {
          "name": "Tirzepatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grace Kim",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 36,
      "start_date": "2025-05-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-10-07T10:23:22.146Z",
      "location_count": 3,
      "location_summary": "Saint Paul, Minnesota • Nashville, Tennessee • Seattle, Washington",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06901245"
    },
    {
      "nct_id": "NCT03181230",
      "title": "Health, Fitness, and Quality of Life in Adolescent Girls With Turner Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Turner Syndrome",
        "Turner Syndrome Mosaicism, 45, X/46, XX or XY",
        "Turner Syndrome Mosaicism 46,X,I(X)(Q10)/45,X",
        "Turner Syndrome Karyotype 46,X With Abnormal Sex Chromosome , Except I(Xq)"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 21 Years · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2017-05-26",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-05-03",
      "last_synced_at": "2026-10-07T10:23:22.146Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03181230"
    },
    {
      "nct_id": "NCT00877292",
      "title": "A New Prenatal Blood Test for Down Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Down Syndrome",
        "Trisomy 21"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Women and Infants Hospital of Rhode Island",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 4664,
      "start_date": "2009-02",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2015-06-03",
      "last_synced_at": "2026-10-07T10:23:22.146Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • New Haven, Connecticut + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00877292"
    },
    {
      "nct_id": "NCT07036536",
      "title": "Non-Euploid Embryo Transfer (NEET) Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility",
        "Mosaicism",
        "Aneuploidy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Inception Fertility Research Institute, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 1000,
      "start_date": "2024-09-23",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-10-07T10:23:22.146Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07036536"
    }
  ]
}